... water(less than 1% and 0.1mm matters) CG-D Boiler Water Supply Pump is for transporting pure water( ... similar to hot water.Performance range if model CG-D SeriesFlow,3.75-185M3/h Corollary power,4-400KW ... Head,69-684m Inlet diameter,40-150mmCG-D model hypo-high-pressure boiler water supply pump is ... 1250KW Head,390-1050m Inlet diameter,65-200mm CG-D Series Horizontal Multi-stage Centrifugal Pump